T. Rowe Price Associates
ARWR icon

T. Rowe Price Associates’s Arrowhead Research ARWR Stock Holding History

T. Rowe Price Associates’s Portfolio ARWR Stock Details ARWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$65.4M Buy
1,043,732
+204,914
+24% +$13M 0.01% 708
2025
Q4 		$55.7M Buy
838,818
+728,573
+661% +$35.7M 0.01% 785
2025
Q3 		$3.8M Buy
110,245
+9,637
+10% +$212K ﹤0.01% 1480
2025
Q2 		$1.59M Buy
100,608
+7,419
+8% +$106K ﹤0.01% 1755
2025
Q1 		$1.19M Buy
93,189
+17,331
+23% +$315K ﹤0.01% 1867
2024
Q4 		$1.43M Sell
75,858
-640
-0.8% -$13.2K ﹤0.01% 1804
2024
Q3 		$1.48M Buy
76,498
+2,600
+4% +$63.5K ﹤0.01% 1780
2024
Q2 		$1.92M Buy
73,898
+2,762
+4% +$67.9K ﹤0.01% 1571
2024
Q1 		$2.04M Buy
71,136
+10,568
+17% +$338K ﹤0.01% 1553
2023
Q4 		$1.85M Buy
60,568
+9,980
+20% +$265K ﹤0.01% 1574
2023
Q3 		$1.36M Sell
50,588
-4,138
-8% -$127K ﹤0.01% 1649
2023
Q2 		$1.95M Buy
54,726
+2,706
+5% +$93.3K ﹤0.01% 1486
2023
Q1 		$1.32M Buy
52,020
+1,260
+2% +$39.6K ﹤0.01% 1643
2022
Q4 		$2.06M Sell
50,760
-122
-0.2% -$4.04K ﹤0.01% 1448
2022
Q3 		$1.68M Buy
50,882
+4,696
+10% +$190K ﹤0.01% 1523
2022
Q2 		$1.63M Sell
46,186
-2,555
-5% -$96.1K ﹤0.01% 1690
2022
Q1 		$2.24M Buy
48,741
+4,084
+9% +$202K ﹤0.01% 1654
2021
Q4 		$2.96M Sell
44,657
-3,010
-6% -$207K ﹤0.01% 1588
2021
Q3 		$2.98M Buy
47,667
+128
+0.3% +$8.29K ﹤0.01% 1608
2021
Q2 		$3.94M Sell
47,539
-3,458
-7% -$257K ﹤0.01% 1554
2021
Q1 		$3.38M Sell
50,997
-4,470
-8% -$347K ﹤0.01% 1557
2020
Q4 		$4.26M Sell
55,467
-15,809
-22% -$1.01M ﹤0.01% 1463
2020
Q3 		$3.07M Buy
71,276
+1,650
+2% +$71.2K ﹤0.01% 1468
2020
Q2 		$3.01M Buy
69,626
+9,371
+16% +$331K ﹤0.01% 1456
2020
Q1 		$1.73M Buy
60,255
+24,603
+69% +$992K ﹤0.01% 1539
2019
Q4 		$2.26M Buy
35,652
+8,954
+34% +$444K ﹤0.01% 1568
2019
Q3 		$752K Sell
26,698
-10,606
-28% -$314K ﹤0.01% 1937
2019
Q2 		$989K Sell
37,304
-6,690
-15% -$147K ﹤0.01% 1849
2019
Q1 		$807K Sell
43,994
-3,869
-8% -$63.8K ﹤0.01% 1928
2018
Q4 		$594K Buy
47,863
+8,754
+22% +$120K ﹤0.01% 2014
2018
Q3 		$750K Buy
39,109
+641
+2% +$10.5K ﹤0.01% 1986
2018
Q2 		$523K Buy
38,468
+568
+1% +$5.31K ﹤0.01% 2119
2018
Q1 		$273K Hold
37,900
– – ﹤0.01% 2323
2017
Q4 		$139K Buy
37,900
+12,500
+49% +$46.4K ﹤0.01% 2474
2017
Q3 		$110K Hold
25,400
– – ﹤0.01% 2490
2017
Q2 		$41K Sell
25,400
-167
-0.7% -$270 ﹤0.01% 2537
2017
Q1 		$47K Hold
25,567
– – ﹤0.01% 2540
2016
Q4 		$40K Hold
25,567
– – ﹤0.01% 2534
2016
Q3 		$188K Sell
25,567
-133
-0.5% -$862 ﹤0.01% 2361
2016
Q2 		$137K Buy
25,700
+100
+0.4% +$571 ﹤0.01% 2385
2016
Q1 		$123K Hold
25,600
– – ﹤0.01% 2385
2015
Q4 		$157K Buy
+25,600
New +$145K ﹤0.01% 2352

Other funds holding ARWR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
FAM
Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return

T. Rowe Price Associates's ARWR Position: Q1 2026 in Review

T. Rowe Price Associates increased its Arrowhead Research (ARWR) stake by 24% in Q1 2026, buying an estimated $13M and bringing the position to 1,043,732 shares worth $65.4M. The position accounts for 0.01% of the portfolio, ranked #708.

T. Rowe Price Associates first reported a position in ARWR in Q4 2015 and has held it in 42 quarters since. 436 funds tracked by Wall St. Rank hold ARWR as of Q1 2026.

  • T. Rowe Price Associates held 1,043,732 shares of Arrowhead Research worth $65.4M as of Q1 2026.
  • T. Rowe Price Associates bought 204,914 Arrowhead Research shares in Q1 2026, an estimated $13M.
  • Arrowhead Research made up 0.01% of T. Rowe Price Associates's portfolio in Q1 2026, its #708 holding.
  • T. Rowe Price Associates first reported a position in Arrowhead Research in Q4 2015 and has held it in 42 quarters since.
  • 436 funds tracked by Wall St. Rank held Arrowhead Research as of Q1 2026.

Based on T. Rowe Price Associates's 13F filing for Q1 2026, filed 15 May 2026.